8

Introductory Tutorial 113
As you drag, the cursor image changes from
a three-arrow icon to a circular connector by
itself when it’s over an empty space in the event
display area, and then to a four-arrow icon
when it’s over the Event 02 input.
When you release the mouse button, a blue
“wire appears connecting the two events. This
w ire indicates that particles that meet the Age
Test conditions will pass “through this wire to
Event 02, to be affected by its actions.
Tip: You c an delete a wire (and anything else
in the par ticle diagr am) by selecting it and
pressing the DELETE key. Feel f ree to try
this now, but undo any changes when you’re
finished.
7. Click the Shape 02 operator and set
Shape=Cube. Also, click the Display 02
operator and set Type=Geometry.
V iew the wir ing r esults:
1.
Play the animation. Adjust the viewports so you
canseetheentireparticlestream,ifnecessary.
Startingatframe16,theparticlesatthehead
of the stream change into cubes, indicating
that they’ve entered Event 02. As time goes on,
more and more part icles pass the age of 15 and
become eligible to go to the next event.
2. While the animation is playing, try modifying
the different operator settings to see what
happens. For instance, click Speed 01 and